Fibre reinforcement to plasters – problems associated with natural hair and alternative fibres, natural and synthetic.
Online via Zoom, United KingdomMortar analysis Tom Balch, Rose of Jericho Animal hair has been added to strengthen and reduce shrinkage in lime plasters for centuries. This reinforcement is particularly important when applying basecoat plaster to laths (especially ceiling laths) as it reinforces and strengthens the crucially important nibs from which the ceiling plaster ‘hangs’. The first ‘pricking-up’ coat traditionally contains hair reinforcement at a […]